BS EN IEC 60664-1:2020
Insulation coordination for equipment within low-voltage supply systems. Principles, requirements and tests
https://doi.org/10.3403/30354440 (published 27/07/2020)
BS EN IEC 60664-1:2020 is maintained by GEL/109. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN IEC 60664-1:2020 [current until 16/12/2020]